In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote:

lboucher,

RS-485 [b]is[/b] super cheap.  The parts cost a few bucks and there are versions that run on 5v and 3.3v.  It's great stuff.  Whatever you spent on triacs dwarfs the tiny additional cost of an RS-485 transceiver.

Thanks,
PeterM

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